what was the function of the auxillary relay?

3 Answers  

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How check electrical motor winding.

4 Answers   DRJ ARDE,

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What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

0 Answers   Eprosys Engineering Consultants,

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what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

0 Answers   ME,

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Why R ph of Hv and Lv is shorted or joined together while taking vector group?

1 Answers   IOCL,

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We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

1 Answers   Suzlon,

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why C.T secondary are rated 5A generally?

13 Answers   ABC, Bhel,

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Explain the Term in CT Name Plate – Class: 5P10

6 Answers  

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what should be the value of proper neutral earthing resistance?

3 Answers   ABC,

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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what is the difference between 4pole & 6pole DC Motors & give advantage ?

0 Answers  

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documented proof that aluminium bus bars are better than aluminium cables

0 Answers  

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